Unit 1 chem

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What is a charge cloud
the place where electrons are most likely to be found
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What is electron pair repulsion theory?
electrons are all negitivly charged, so the clouds will repel each other as much as they can lone pairs repel most, then lone and bonding, lastly bonding and bonding.
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How to calculate number of electron pairs.
find the central atom, find number of electrons in the outershell, add number of bonds, divide by 2.
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2 bonding pairs, 180 dgrees
linear shape
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3 bonding pairs 120 degrees
triganol planar
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4 bonding pairs 109.5 degrees
tetrahedral
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3 bonding one lone pair 107 degrees
trigonal pyrimidal
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2 bonding 2 lone 104.5 degrees
bent
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five bonding pairs one 90 degrees rest 120 dregrees
trigonal bipyramidal
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six bonding pairs 90 degrees
octahedral
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Other cards in this set

Card 2

Front

What is electron pair repulsion theory?

Back

electrons are all negitivly charged, so the clouds will repel each other as much as they can lone pairs repel most, then lone and bonding, lastly bonding and bonding.

Card 3

Front

How to calculate number of electron pairs.

Back

Preview of the front of card 3

Card 4

Front

2 bonding pairs, 180 dgrees

Back

Preview of the front of card 4

Card 5

Front

3 bonding pairs 120 degrees

Back

Preview of the front of card 5
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